liuxilin1215 发表于 2018-2-13 08:57:40

BS EN 754-8-2016 Aluminium and aluminium alloys — Cold drawn rod/bar and tube

BS EN 754-8-2016 Aluminium and aluminium alloys — Cold drawn rod/bar and tube Part 8: Porthole tubes, tolerances on dimensions and form


admin 发表于 2018-2-13 16:45:47

谢谢您的分享，金币已奖励!

wuyoujiao2010 发表于 2018-2-27 10:41:38

感谢楼主分享好资料！
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